Fix for Ruby 1.9.3 (added a #blank? method)

VERSION

@@ -1 +1 @@
-0.4.1
+0.4.3

lib/delicious-cli.rb

@@ -11,6 +11,7 @@
   optparse/time
   ostruct
 
+  delicious-cli/blank
   delicious-cli/db
   delicious-cli/display
   delicious-cli/api

lib/delicious-cli/blank.rb

@@ -0,0 +1,46 @@
+#
+# Gives all the Ruby base types (String, Hash, nil, etc.) a "blank?" method.
+#
+
+class Float
+  #
+  # 'true' if the float is 0.0
+  #
+  def blank?; self == 0.0; end
+end
+
+class NilClass
+  #
+  # Always 'true'; nil is considered blank.
+  #
+  def blank?; true; end
+end
+
+class Symbol
+  #
+  # Symbols are never blank.
+  #
+  def blank?; false; end
+end
+
+class Integer
+  #
+  # 'true' if the integer is 0
+  #
+  def blank?; self == 0; end
+end
+
+class String
+  #
+  # 'true' if the string's length is 0 (after whitespace has been stripped from the ends)
+  #
+  def blank?; strip.size == 0; end
+end
+
+module Enumerable
+  #
+  # 'true' if the Enumerable has no elements
+  #
+  def blank?; not any?; end
+end
+